X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fautorecode.c;h=a84528af3c1b97fd7e9c8d3a0cc8763e606388cc;hb=ca274c4e64fcf5281dd5be439ea0d235688f81ca;hp=f967dd3aca217d29a7594d861707bb6b82dd47f0;hpb=a37754c18dee3d5941e5fe041b2c1fa1a3370157;p=pspp-builds.git

diff --git a/src/language/stats/autorecode.c b/src/language/stats/autorecode.c
index f967dd3a..a84528af 100644
--- a/src/language/stats/autorecode.c
+++ b/src/language/stats/autorecode.c
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by Ben Pfaff <blp@gnu.org>.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -93,18 +92,18 @@ struct autorecode_pgm
 
 static trns_proc_func autorecode_trns_proc;
 static trns_free_func autorecode_trns_free;
-static bool autorecode_proc_func (const struct ccase *, void *);
 static hsh_compare_func compare_alpha_value, compare_numeric_value;
 static hsh_hash_func hash_alpha_value, hash_numeric_value;
 
-static void recode (const struct autorecode_pgm *);
+static void recode (struct dataset *, const struct autorecode_pgm *);
 static void arc_free (struct autorecode_pgm *);
 
 /* Performs the AUTORECODE procedure. */
 int
-cmd_autorecode (void)
+cmd_autorecode (struct lexer *lexer, struct dataset *ds)
 {
   struct autorecode_pgm arc;
+  struct ccase *c;
   size_t dst_cnt;
   size_t i;
   bool ok;
@@ -119,15 +118,15 @@ cmd_autorecode (void)
   arc.print = 0;
   dst_cnt = 0;
 
-  lex_match_id ("VARIABLES");
-  lex_match ('=');
-  if (!parse_variables (default_dict, &arc.src_vars, &arc.var_cnt,
+  lex_match_id (lexer, "VARIABLES");
+  lex_match (lexer, '=');
+  if (!parse_variables (lexer, dataset_dict (ds), &arc.src_vars, &arc.var_cnt,
                         PV_NO_DUPLICATE))
     goto lossage;
-  if (!lex_force_match_id ("INTO"))
+  if (!lex_force_match_id (lexer, "INTO"))
     goto lossage;
-  lex_match ('=');
-  if (!parse_DATA_LIST_vars (&arc.dst_names, &dst_cnt, PV_NONE))
+  lex_match (lexer, '=');
+  if (!parse_DATA_LIST_vars (lexer, &arc.dst_names, &dst_cnt, PV_NONE))
     goto lossage;
   if (dst_cnt != arc.var_cnt)
     {
@@ -144,14 +143,14 @@ cmd_autorecode (void)
 
       goto lossage;
     }
-  while (lex_match ('/'))
-    if (lex_match_id ("DESCENDING"))
+  while (lex_match (lexer, '/'))
+    if (lex_match_id (lexer, "DESCENDING"))
       arc.direction = DESCENDING;
-    else if (lex_match_id ("PRINT"))
+    else if (lex_match_id (lexer, "PRINT"))
       arc.print = 1;
-  if (token != '.')
+  if (lex_token (lexer) != '.')
     {
-      lex_error (_("expecting end of command"));
+      lex_error (lexer, _("expecting end of command"));
       goto lossage;
     }
 
@@ -159,7 +158,7 @@ cmd_autorecode (void)
     {
       int j;
 
-      if (dict_lookup_var (default_dict, arc.dst_names[i]) != NULL)
+      if (dict_lookup_var (dataset_dict (ds), arc.dst_names[i]) != NULL)
 	{
 	  msg (SE, _("Target variable %s duplicates existing variable %s."),
 	       arc.dst_names[i], arc.dst_names[i]);
@@ -178,20 +177,43 @@ cmd_autorecode (void)
   arc.dst_vars = xnmalloc (arc.var_cnt, sizeof *arc.dst_vars);
   arc.src_values = xnmalloc (arc.var_cnt, sizeof *arc.src_values);
   for (i = 0; i < dst_cnt; i++)
-    if (arc.src_vars[i]->type == ALPHA)
+    if (var_is_alpha (arc.src_vars[i]))
       arc.src_values[i] = hsh_create (10, compare_alpha_value,
                                       hash_alpha_value, NULL, arc.src_vars[i]);
     else
       arc.src_values[i] = hsh_create (10, compare_numeric_value,
                                       hash_numeric_value, NULL, NULL);
 
-  ok = procedure (autorecode_proc_func, &arc);
+  proc_open (ds);
+  while (proc_read (ds, &c))
+    for (i = 0; i < arc.var_cnt; i++)
+      {
+        union arc_value v, *vp, **vpp;
+
+        if (var_is_numeric (arc.src_vars[i]))
+          v.f = case_num (c, arc.src_vars[i]);
+        else
+          v.c = (char *) case_str (c, arc.src_vars[i]);
+
+        vpp = (union arc_value **) hsh_probe (arc.src_values[i], &v);
+        if (*vpp == NULL)
+          {
+            vp = pool_alloc (arc.src_values_pool, sizeof *vp);
+            if (var_is_numeric (arc.src_vars[i]))
+              vp->f = v.f;
+            else
+              vp->c = pool_clone (arc.src_values_pool,
+                                  v.c, var_get_width (arc.src_vars[i]));
+            *vpp = vp;
+          }
+      }
+  ok = proc_close (ds);
 
   for (i = 0; i < arc.var_cnt; i++)
-    arc.dst_vars[i] = dict_create_var_assert (default_dict,
+    arc.dst_vars[i] = dict_create_var_assert (dataset_dict (ds),
                                               arc.dst_names[i], 0);
 
-  recode (&arc);
+  recode (ds, &arc);
   arc_free (&arc);
   return ok ? CMD_SUCCESS : CMD_CASCADING_FAILURE;
 
@@ -228,7 +250,7 @@ arc_free (struct autorecode_pgm *arc)
 /* AUTORECODE transformation. */
 
 static void
-recode (const struct autorecode_pgm *arc)
+recode (struct dataset *ds, const struct autorecode_pgm *arc)
 {
   struct autorecode_trns *trns;
   size_t i;
@@ -246,7 +268,7 @@ recode (const struct autorecode_pgm *arc)
       spec->src = arc->src_vars[i];
       spec->dest = arc->dst_vars[i];
 
-      if (arc->src_vars[i]->type == ALPHA)
+      if (var_is_alpha (arc->src_vars[i]))
 	spec->items = hsh_create (2 * count, compare_alpha_value,
 				  hash_alpha_value, NULL, arc->src_vars[i]);
       else
@@ -258,21 +280,22 @@ recode (const struct autorecode_pgm *arc)
 	  struct arc_item *item = pool_alloc (trns->pool, sizeof *item);
           union arc_value *vp = *p;
           
-	  if (arc->src_vars[i]->type == NUMERIC)
+	  if (var_is_numeric (arc->src_vars[i]))
             item->from.f = vp->f;
           else
 	    item->from.c = pool_clone (trns->pool, vp->c,
-                                       arc->src_vars[i]->width);
+                                       var_get_width (arc->src_vars[i]));
 	  item->to = arc->direction == ASCENDING ? j + 1 : count - j;
 	  hsh_force_insert (spec->items, item);
 	}
     }
-  add_transformation (autorecode_trns_proc, autorecode_trns_free, trns);
+  add_transformation (ds, 
+		      autorecode_trns_proc, autorecode_trns_free, trns);
 }
 
 /* Executes an AUTORECODE transformation. */
 static int
-autorecode_trns_proc (void *trns_, struct ccase *c, casenum_t case_idx UNUSED)
+autorecode_trns_proc (void *trns_, struct ccase *c, casenumber case_idx UNUSED)
 {
   struct autorecode_trns *trns = trns_;
   size_t i;
@@ -283,13 +306,13 @@ autorecode_trns_proc (void *trns_, struct ccase *c, casenum_t case_idx UNUSED)
       struct arc_item *item;
       union arc_value v;
 
-      if (spec->src->type == NUMERIC)
-        v.f = case_num (c, spec->src->fv);
+      if (var_is_numeric (spec->src))
+        v.f = case_num (c, spec->src);
       else
-        v.c = (char *) case_str (c, spec->src->fv);
+        v.c = (char *) case_str (c, spec->src);
       item = hsh_force_find (spec->items, &v);
 
-      case_data_rw (c, spec->dest->fv)->f = item->to;
+      case_data_rw (c, spec->dest)->f = item->to;
     }
   return TRNS_CONTINUE;
 }
@@ -310,26 +333,26 @@ autorecode_trns_free (void *trns_)
 /* AUTORECODE procedure. */
 
 static int
-compare_alpha_value (const void *a_, const void *b_, void *v_)
+compare_alpha_value (const void *a_, const void *b_, const void *v_)
 {
   const union arc_value *a = a_;
   const union arc_value *b = b_;
   const struct variable *v = v_;
 
-  return memcmp (a->c, b->c, v->width);
+  return memcmp (a->c, b->c, var_get_width (v));
 }
 
 static unsigned
-hash_alpha_value (const void *a_, void *v_)
+hash_alpha_value (const void *a_, const void *v_)
 {
   const union arc_value *a = a_;
   const struct variable *v = v_;
   
-  return hsh_hash_bytes (a->c, v->width);
+  return hsh_hash_bytes (a->c, var_get_width (v));
 }
 
 static int
-compare_numeric_value (const void *a_, const void *b_, void *foo UNUSED)
+compare_numeric_value (const void *a_, const void *b_, const void *aux UNUSED)
 {
   const union arc_value *a = a_;
   const union arc_value *b = b_;
@@ -338,39 +361,9 @@ compare_numeric_value (const void *a_, const void *b_, void *foo UNUSED)
 }
 
 static unsigned
-hash_numeric_value (const void *a_, void *foo UNUSED)
+hash_numeric_value (const void *a_, const void *aux UNUSED)
 {
   const union arc_value *a = a_;
 
   return hsh_hash_double (a->f);
 }
-
-static bool
-autorecode_proc_func (const struct ccase *c, void *arc_)
-{
-  struct autorecode_pgm *arc = arc_;
-  size_t i;
-
-  for (i = 0; i < arc->var_cnt; i++)
-    {
-      union arc_value v, *vp, **vpp;
-
-      if (arc->src_vars[i]->type == NUMERIC)
-        v.f = case_num (c, arc->src_vars[i]->fv);
-      else
-        v.c = (char *) case_str (c, arc->src_vars[i]->fv);
-
-      vpp = (union arc_value **) hsh_probe (arc->src_values[i], &v);
-      if (*vpp == NULL)
-        {
-          vp = pool_alloc (arc->src_values_pool, sizeof *vp);
-          if (arc->src_vars[i]->type == NUMERIC)
-            vp->f = v.f;
-          else
-            vp->c = pool_clone (arc->src_values_pool,
-                                v.c, arc->src_vars[i]->width);
-          *vpp = vp;
-        }
-    }
-  return true;
-}